package com.kfm.base.member;

import com.kfm.base.structure.Stack;

public class Demo05 {

    public static void main(String[] args) {
        Stack stack = new Stack(){

            @Override
            public void push(Object element) {

            }

            @Override
            public Object pop() {
                return null;
            }

            @Override
            public Object peek() {
                return null;
            }

            @Override
            public boolean isEmpty() {
                return false;
            }

            @Override
            public int size() {
                return 0;
            }
        };

//        Outer outer = new Outer(){};
    }
}

final class Outer{}
